Category：Server
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Time：2020-2-24
Learning summary of “HBase introduction” on moke.com Time: Monday, June 11, 2018 Note: part of this article is from mooc.com. @Mooc.com: https://www.imooc.com Teaching source code: None Learning source code: None Chapter 1: Course Introduction 1-1 Course Introduction Curriculum objectives Application scenarios and features of HBase The concept and orientation of HBase HBase architecture and design […]
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Time：2020-2-24
Mac uses shell (terminal) SSH to connect to remote server Premise: the IP address, port number, account and password of the server you need to connect to 1. First open the terminal, then inputsudo su -Enter the root directory 2. Then enter: ssh-p port No. server user name @ IP (for example, ssh-p 22 userkunyu […]
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Time：2020-2-24
Learning summary of “HBase introduction” on moke.com Time: Monday, June 11, 2018 Note: part of this article is from mooc.com. @Mooc.com: https://www.imooc.com Teaching source code: None Learning source code: None Chapter 1: Course Introduction 1-1 Course Introduction Curriculum objectives Application scenarios and features of HBase The concept and orientation of HBase HBase architecture and design […]
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Time：2020-2-24
Due to the reverse research in the past few years, I have almost looked for books on the direction of the system. I picked out some good books to recommend to you. Title Scope of coverage csapp Data representation, assembly, processor, cache, virtual address, link, process, signal, thread, underlying IO, socket apue Process, signal, thread, […]
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Time：2020-2-24
Get server IP address in PHP cli mode background When PHP writes a service, it can only run in cli mode. PHP has no default method to obtain the server IP Solutions Using PHP to execute shell’sifconfigCommand to get the gateway information, and then use thegrepTo match outip function get_server_ips(){ exec(‘ifconfig -a|grep inet|grep -v 127.0.0.1|grep […]
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Time：2020-2-24
Seeking star and attention https://github.com/deathkel/easy-cache install composer require deathkel/easy-cache Use This package will automatically cache the protection method of the ‘class’ using the’ trait ‘ The default cache time is 60 minutes. You can add onestaticvariable$expireGo to your ‘fuction’ to set the cache time of this’ function ‘separately public class test(){ use EasyCacheTrait; Public function […]
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Time：2020-2-24
(1) Query software (sudo permission is not required for query) $apt cache pkgnames? Lists all currently available packages $apt cache search pkgname \ \ $ apt search pkgname\_keyword $apt list pkgname? Find the package $apt cache show pkgname to query package information $ apt show pkgname $apt cache […]
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Time：2020-2-24
The problem of failed parsing of filebeat DNS has been solved in recent weeks. Filebeat is deployed in k8s cluster through daemonset to collect logs of the whole host pods. In the version cluster with CentOS 7.4 as the host OS, there is no problem. However, in the cluster with CentOS 7.6, DNS resolution failed, […]
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Time：2020-2-23
1. About holer Holer exposes local servers behind NATs and firewalls to the public internet over secure tunnels. Support forwarding message based on TCP protocol. Holer is a port mapping software that maps applications in LAN to public network access, and supports forwarding packets based on TCP protocol. 2. Use of holer Holer supports the […]
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Time：2020-2-23
Learning summary of “HBase introduction” on moke.com Time: Monday, June 11, 2018 Note: part of this article is from mooc.com. @Mooc.com: https://www.imooc.com Teaching source code: None Learning source code: None Chapter 1: Course Introduction 1-1 Course Introduction Curriculum objectives Application scenarios and features of HBase The concept and orientation of HBase HBase architecture and design […]
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Time：2020-2-23
The underlying principle of the computer is very complex. The author who can write these complex knowledge in an accurate, vivid, easy to understand and operable way is really amazing. And I have several such books recommended to you. They are coding – the language hidden behind the computer hardware and software ([US] Charles) Petzold, […]
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Time：2020-2-23
Introduction Shell is a very useful tool in Linux system. By using shell, we can improve the working efficiency of Linux system. Shell learning The code is all here: https://github.com/xiang2017/shell_study variable #!/bin/bash Variables of variables Echo “01” variable. Sh ” Variables of variables定义与赋值，等号两边不能用空格分开 name=hahahaha echo $name Echo can also use {} output: ${name} #Some special […]
